Home / 42,023.52-62,989.92-18,617.76

Finding the Fourth Proportional to 42,023.52, 62,989.92 and 18,617.76

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Solution

The fourth proportional to 42,023.52, 62,989.92 and 18,617.76 is: 27,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.52 : 62,989.92 = 18,617.76 : x
  2. Step 2: Convert to fraction form
    42,023.52/62,989.92 = 18,617.76/x
  3. Step 3: Cross multiply
    42,023.52x = 62,989.92 × 18,617.76
  4. Step 4: Simplify right side
    42,023.52x = 1,172,731,212.98
  5. Step 5: Solve for x
    x = 1,172,731,212.98/42,023.52
  6. Step 6: Final answer
    x = 27,906.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.